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虹リボン。
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#pragma once #include "ofMain.h" class ofApp : public ofBaseApp { public: void setup(); void update(); void draw(); void keyPressed(int key) {}; void keyReleased(int key) {}; void mouseMoved(int x, int y) {}; void mouseDragged(int x, int y, int button) {}; void mousePressed(int x, int y, int button) {}; void mouseReleased(int x, int y, int button) {}; void windowResized(int w, int h) {}; void dragEvent(ofDragInfo dragInfo) {}; void gotMessage(ofMessage msg) {}; ofEasyCam cam; ofMesh face, frame; glm::vec3 target_location, camera_location; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(39); ofEnableDepthTest(); this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->face.clear(); this->frame.clear(); frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); auto base_noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)); this->camera_location = glm::vec3( ofMap(ofNoise(base_noise_seed.x, (ofGetFrameNum()) * 0.01), 0, 1, -500, 500), ofMap(ofNoise(base_noise_seed.y, (ofGetFrameNum()) * 0.01), 0, 1, -500, 500), ofMap(ofNoise(base_noise_seed.z, (ofGetFrameNum()) * 0.01), 0, 1, -500, 500)); this->target_location = glm::vec3( ofMap(ofNoise(base_noise_seed.x, (ofGetFrameNum() + 100) * 0.01), 0, 1, -500, 500), ofMap(ofNoise(base_noise_seed.y, (ofGetFrameNum() + 100) * 0.01), 0, 1, -500, 500), ofMap(ofNoise(base_noise_seed.z, (ofGetFrameNum() + 100) * 0.01), 0, 1, -500, 500)); for (int k = 0; k < 7; k++) { auto param = glm::vec3(15, 0, 0); auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)); auto start_index = this->face.getNumVertices(); ofColor color; for (int i = 0; i < 100; i++) { int index = this->face.getNumVertices(); auto base_location = glm::vec3( ofMap(ofNoise(base_noise_seed.x, (i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500), ofMap(ofNoise(base_noise_seed.y, (i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500), ofMap(ofNoise(base_noise_seed.z, (i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500)); auto location = glm::vec3( ofMap(ofNoise(noise_seed.x, (i + ofGetFrameNum()) * 0.02), 0, 1, -100, 100), ofMap(ofNoise(noise_seed.y, (i + ofGetFrameNum()) * 0.02), 0, 1, -100, 100), ofMap(ofNoise(noise_seed.z, (i + ofGetFrameNum()) * 0.02), 0, 1, -100, 100)); location += base_location; this->face.addVertex(location + param); this->face.addVertex(location - param); color.setHsb(ofMap(k, 0, 7, 0, 255), 200, 255); this->face.addColor(color); this->face.addColor(color); this->frame.addVertex(location + param); this->frame.addVertex(location - param); this->frame.addColor(ofColor(255)); this->frame.addColor(ofColor(255)); if (i > 0) { this->face.addIndex(index + 0); this->face.addIndex(index - 1); this->face.addIndex(index - 2); this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index - 1); this->frame.addIndex(index + 0); this->frame.addIndex(index - 2); this->frame.addIndex(index + 1); this->frame.addIndex(index - 1); } } this->frame.addIndex(start_index + 0); this->frame.addIndex(start_index + 1); this->frame.addIndex(frame.getNumVertices() - 1); this->frame.addIndex(frame.getNumVertices() - 2); } } //-------------------------------------------------------------- void ofApp::draw() { auto camera_location = this->camera_location + glm::vec3(0, 0, 500); this->cam.setPosition(camera_location); this->cam.setTarget(target_location); this->cam.lookAt(target_location); this->cam.begin(); this->face.drawFaces(); ofSetColor(239); this->frame.drawWireframe(); this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |